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Don't replace parameter overrides that did not evaluate. 

Trying to replace a parameter override that did not evaluate
correctly can lead to a crash, so just skip the substitution.
This commit is contained in:
Cary R 2009-10-13 17:43:00 -07:00 committed by Stephen Williams
parent bc60536eb9
commit 8abf303753
1 changed files with 3 additions and 3 deletions
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6
elab_scope.cc
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@ -216,7 +216,7 @@ static void replace_scope_parameters_(NetScope*scope, const LineInfo&loc,
if (val == 0) { if (val == 0) {
cerr << loc.get_fileline() << ": internal error: " cerr << loc.get_fileline() << ": internal error: "
<< "Missing expression in parameter replacement for " << "Missing expression in parameter replacement for "
<< (*cur).first; << (*cur).first << endl;;
} }
assert(val); assert(val);
if (debug_scopes) { if (debug_scopes) {
@ -1358,9 +1358,9 @@ void PGModule::elaborate_scope_mod_instances_(Design*des, Module*mod, NetScope*s
PExpr*tmp = (*cur).second; PExpr*tmp = (*cur).second;
// No expression means that the parameter is not // No expression means that the parameter is not
// replaced at all. // replaced at all.
if (tmp == 0) if (tmp == 0) continue;
continue;
NetExpr*val = tmp->elaborate_pexpr(des, sc); NetExpr*val = tmp->elaborate_pexpr(des, sc);
if (val == 0) continue;
replace_net[(*cur).first] = val; replace_net[(*cur).first] = val;
} }